Research article

Rate of first recorded diagnosis of autism and other pervasive developmental disorders in United Kingdom general practice, 1988 to 2001

Liam Smeeth¹^*, Claire Cook², Professor E Fombonne³, Lisa Heavey⁴, Laura C Rodrigues², Peter G Smith² and Andrew J Hall²

¹ Department of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK

² Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK

³ Department of Psychiatry, McGill University, Montreal, Canada

⁴ Institute of Psychiatry, Kings College, London, UK

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BMC Medicine 2004, 2:39 doi:10.1186/1741-7015-2-39

Published: 9 November 2004

Additional File 1:

Appendix: Codes used to identify cases, numbers identified, and diagnostic classification used in this paper

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